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Investigating Amorphous Metal Composite Architectures as Spacecraft Shielding
Author(s) -
Davidson Marc,
Roberts Scott,
Castro Gerhard,
Dillon Robert Peter,
Kunz Allison,
Kozachkov Henry,
Demetriou Marios D.,
Johnson William L.,
Nutt Steve,
Hofmann Douglas C.
Publication year - 2013
Publication title -
advanced engineering materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.938
H-Index - 114
eISSN - 1527-2648
pISSN - 1438-1656
DOI - 10.1002/adem.201200313
Subject(s) - hypervelocity , materials science , spacecraft , electromagnetic shielding , space debris , amorphous solid , composite material , low earth orbit , amorphous metal , astrobiology , meteoroid , composite number , aerospace engineering , engineering , physics , astronomy , satellite , chemistry , organic chemistry , alloy
The threat of micro‐meteoroid and orbital debris (MMOD) collisions with spacecraft and satellites has been increasing with the increasing worldwide use of low earth orbit. Providing low‐areal‐density shielding for the mitigation of these high velocity impacts is essential for ensuring successful and cost effective missions. Here, we report results obtained from hypervelocity impact testing on bulk metallic glass (BMG) matrix composites. Their carbide‐like hardness, low melting temperatures, ultra‐high strength‐to‐weight ratio and the ability to be processed like polymers are material attributes ideally suited for spacecraft shielding, particularly as an outer wall bumper shield.